* {
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    width: 100%;
}

#threeDimensional,
#curve,
#circle,
#screw {
    width: 10px;
    height: 10px;
    background: red;
    position: absolute;
    left: 800px;
    top: 300px;
}

#screw {
    background: transparent;
}

.circle,
.screw,
.box,
.curve {
    height: 1px;
    width: 1px;
    background: red;
    position: absolute;
}